Finding the Fourth Proportional to 636,963.75, 955,593.25 and 216,239.63
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Solution
The fourth proportional to 636,963.75, 955,593.25 and 216,239.63 is: 324,409.55
Step by Step Solution
- Step 1: Write the proportion equation
636,963.75 : 955,593.25 = 216,239.63 : x - Step 2: Convert to fraction form
636,963.75/955,593.25 = 216,239.63/x - Step 3: Cross multiply
636,963.75x = 955,593.25 × 216,239.63 - Step 4: Simplify right side
636,963.75x = 206,637,125,491.93 - Step 5: Solve for x
x = 206,637,125,491.93/636,963.75 - Step 6: Final answer
x = 324,409.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.